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Modelling polar stratospheric clouds, polar ozone and chemistry-climate interactions in the UM-UKCA model

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If you have a question about this talk, please contact Dr. Pranab Deb.

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In my talk I will discuss the the modelling of polar stratospheric clouds (PSCs) in the UM-UKCA model. Using idealised model studies, the impact of PSCs on the depletion of polar ozone and the resulting impacts on southern hemisphere circulation and climate is assessed. The impact of PSCs on other trace species, such as the partitioning of Cly and NOy, is also assessed. Finally, I will explore how stratospheric chemistry, particularly in the polar regions, responds to increases in stratospheric water vapour.

This talk is part of the British Antarctic Survey series.

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